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Questions related to the licensing of amateur radio operators and stations. Please also tag your question with the relevant location.

14 votes
Accepted

What is the highest US amateur license I can get in one sitting?

Yes, you can take all three exams in sequence at the same session and obtain an Extra class license. (I did and had no trouble.) … Doing this, rather than getting a lower license class and upgrading later, has the small advantage that you will be assigned a shorter sequential call sign (without having to request one when you upgrade …
Kevin Reid AG6YO's user avatar
10 votes

How do I legally use a Baofeng UV-5R radio for communication?

There are multiple levels of test and license; for your purpose you only need the first one, a “Technician” license. Many people cram for the test and pass it in the same day. … Everyone using a radio must have their own license, unless they are being directly supervised by a license holder. …
Kevin Reid AG6YO's user avatar
10 votes
Accepted

Straight to General license, skipping Technician?

Additionally, if you initially obtain an Extra class license (I did this), you may be assigned a shorter call sign than you would otherwise — though you can apply for a change, or a specific vanity call … As to your second question, if I recall correctly, the ARRL license books are incremental just like the exams — you would need all of the books up to the level you're studying for. …
Kevin Reid AG6YO's user avatar
9 votes

What is the permissible frequency error for US amateur radio transmissions?

Part 97 doesn't have anything to say about frequency error or drift in particular. The question pool, however, does: T1B09 (D) [97.101(a), 97.301(a-e)] Why should you not set your transmit frequ …
Kevin Reid AG6YO's user avatar
7 votes
Accepted

Can I transmit anything inside a Faraday cage?

I don't have an answer actually clearly applicable to this situation, but a couple of related scenarios come to mind: Every shielded digital electronic device is radiating "inside a RF sealed enclos …
Kevin Reid AG6YO's user avatar
7 votes

How do I find expiration date of my misplaced US ham license?

Go to the FCC Universal Licensing System (ULS) web site and search for your license. … If two years has passed since the expiration of your license, you will have to take the Technician exam over again, but you can get exam credit for your previous General license. …
Kevin Reid AG6YO's user avatar
6 votes
Accepted

What are the requirements of the address given for a US licence?

Each license grant must show the grantee's correct name and mailing address. … Revocation of the station license or suspension of the operator license may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing …
Kevin Reid AG6YO's user avatar
6 votes
Accepted

License upgrade doesn't extend term of license?

§97.21 Application for a modified or renewed license grant. … (a) A person holding a valid amateur station license grant: … (2) May apply to the FCC for a modification of the operator/primary station license grant to show a higher operator class. … …
Kevin Reid AG6YO's user avatar
4 votes

Geting my Tech Licence again

is formatted in a table which I can't quote in full neatly, but the relevant part says: (a) The administering VEs must give credit as specified below to an examinee holding any of the following license … On the other hand, if you had held a higher class of license, you would be able to regain your license at that class by only taking the Technician exam. …
Kevin Reid AG6YO's user avatar
3 votes
Accepted

How can we determine what repeaters to use?

It sounds like you've gotten the characteristics of HF and VHF+ operating mixed up a bit. If you're going to use VHF/UHF repeaters to communicate, then your "frequencies and power" (and time of day) a …
Kevin Reid AG6YO's user avatar
3 votes

Testing requirements for 5 year old tech license to take general exam

If you got your license after March 21, 1987, then when applying for General you do not need to take the Technician examination again. … The relevant regulation is §97.505, which says The administering VEs must give credit as specified below to an examinee holding any of the following license grants: which is followed by a table specifying …
Kevin Reid AG6YO's user avatar
3 votes

"Coaxial capacitors in line” in E4E04?

While writing the question I found a picture that clarifies the “in line” part on this web page I found in a search, Radio Frequency Interference: A small vessel guide: To cure alternator noise, w …
Kevin Reid AG6YO's user avatar
1 vote

Am I studying obsolete information?

Broadly speaking, the rules don't change fast. The question pool revision just means that you will be asked a somewhat different set of questions on the same material. The material in the book that is …
Kevin Reid AG6YO's user avatar
1 vote

How to renew an expired US license as an expat?

The VEC is also responsible for informing the FCC that they should grant you a license, so you don't need to do anything else, electronically or otherwise, than arrange for the test. … There is no code test for any license level. …
Kevin Reid AG6YO's user avatar